Table 4.

Paired Comparisons of subharmonic aided pressure estimation (SHAPE) in left ventricle (LV) and the manometer pressures for all canines.

	Difference (mmHg) (SHAPE║ – manometer pressure			95% Confidence Interval of the Difference (mmHg)		Significance (2-tailed)
	Mean	Standard deviation	Standard error of mean	Lower	Upper
M-LVDP*	1.26	1.49	0.75	−1.11	3.64	0.18
LVDmin†	−0.03	1.81	0.91	−2.92	2.85	0.97
LVEDP‡	1.86	6.16	3.08	−7.94	11.67	0.59
LVPSP§	1.37	1.59	0.79	−1.16	3.90	0.18

^*mean LV diastolic pressure,

^†minimum LV diastolic pressure,

^‡LV end diastolic pressure,

^§LV peak systolic pressure